Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o país, quando o jogador é "Billy Maxwell"?
 ###Tabelas: CREATE TABLE goal_to_draw (goal_to_draw_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Team VARCHAR, Opponent VARCHAR, Year INT, Score VARCHAR) CREATE TABLE engines_and_performance (engines_and_performance_id AUTO_INCREMENT PRIMARY KEY, Model VARCHAR, Years VARCHAR, Type/code VARCHAR, Transmission VARCHAR, max. power VARCHAR, Torque VARCHAR, 0-km/h (mph) (sec) VARCHAR, top speed VARCHAR) CREATE TABLE third_round (third_round_id AUTO_INCREMENT PRIMARY KEY, Place VARCHAR, Player VARCHAR, Country VARCHAR, Score VARCHAR, To par VARCHAR) CREATE TABLE record_vs._big_12_opponents (record_vs._big_12_opponents_id AUTO_INCREMENT PRIMARY KEY, Oklahoma vs. VARCHAR, Overall Record VARCHAR, at Norman VARCHAR, at Opponent's Venue VARCHAR, at Neutral Site VARCHAR, Last 5 Meetings VARCHAR, Last 10 Meetings VARCHAR, Current Streak VARCHAR, Since Beginning of Big 12 VARCHAR) CREATE TABLE members_for_2013–14 (members_for_2013–14_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Position in 2012–13 VARCHAR, First season in top division VARCHAR, Number of seasons in top division INT, Number of seasons in Prva HNL INT, First season of current spell in top division VARCHAR, Top division titles VARCHAR, Last top division title VARCHAR)  
SELECT Country FROM third_round WHERE Player = billy maxwell